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Table 1 Distribution of demographic and measured anthropometric factors in Ghana Breast Health Study Postmenopausal Controls (n = 585)

From: Measured body size and serum estrogen metabolism in postmenopausal women: the Ghana Breast Health Study

  Mean Standard Deviation
Age at blood draw 56.8 8.1
Age at menopause 48.3 5.1
  N Percent
Time since menopause
 ≤ 2 104 17.8
3–5 105 18.0
6–10 130 22.2
 > 10 153 26.2
Missing 93 15.9
Year of blood draw
2013 229 39.2
2014 193 33.0
2015 163 27.9
Smoking status
Current 0 0.0
Former 4 0.7
Never 556 95.0
Unknown 5 0.9
Missing 20 3.4
Diabetes
Ever 49 8.4
Never 514 87.9
Unknown 22 3.8
Age at menarche
 < 14 112 19.2
15 171 29.2
16 107 18.3
 ≥ 17 109 18.6
Unknown 86 14.7
Parity/Number of births
Nulliparous 16 2.7
1–2 91 15.6
3–4 200 34.2
5 +  277 47.4
Unknown 1 0.2
Oral contraceptive use
Ever 89 15.2
Never 496 84.8
Unknown 0 0.0
Age at menopause
 < 45 95 16.2
45–54 349 59.7
 ≥ 55 48 8.2
Unknown 93 15.9
BMI (kg/m2)
Underweight (< 18.5) 20 3.4
Healthy weight (18.5–24.9) 193 33.0
Overweight (25.0–29.9) 169 28.9
Obese (30 +) 154 26.3
Unknown/Missing 49 8.4
Current body size from pictogram
Slight (Fig. 1, 1 or 2) 64 10.9
Average (3 or 4) 189 32.3
Slightly heavy (5 or 6) 175 29.9
Heavy (7, 8, or 9) 87 14.9
Unknown 70 12.0
Waist-to-hip ratio
 < 0.86 180 30.77
0.86–0.93 176 30.09
 > 0.93 182 31.11
Missing 47 8.03
Height (cm)
 < 155 168 28.7
155–159.9 170 29.1
160 +  233 39.8
Missing 14 2.4